{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200945",
    "entityType": "User",
    "nonce": "0x352cded5affcf5a7a8abf3c44f577319ffe04024d4d0abaceaa68a4de68efa49",
    "signature": "0xc941c71e485c61f2cb6ea133e56eeb0fc1b5a57d27b4dbff9cf24ab68112d9b02b9f1fb7da7e2e75dde77f947745df295de513df282fa87e9dcd07afeefb46141b",
    "signer": "0xCe146265e280c19E5B68400a59f1a07B60408aEc",
    "userId": "554250826"
  }
}